2 Jul 2010 07:00

Porvair plc (the "Company")
Directors' Shareholdings
The Company was notified on 1 July 2010 of the following purchases of ordinary Porvair shares of 2 pence each ("Porvair Shares") by Andrew Walker, a non-executive director of the Company:
| Date of purchase | Number of Porvair Shares purchased | Purchase price |
| 29 June 2010 | 4,735 | 68p |
| 29 June 2010* | 5,000 | 68.7p |
| 29 June 2010* | 5,000 | 72p |
| 29 June 2010* | 5,000 | 68p |
| 30 June 2010* | 5,154 | 67p |
*Shares will be held in the name of Andrew Walker's spouse
In addition, Andrew Walker and Ben Stocks, the Company's Chief Executive, acquired Porvair Shares pursuant to the Company's dividend reinvestment plan as follows:
| Director | Date of purchase | Number of Porvair Shares purchased | Purchase price |
| Andrew Walker | 11 June 2010 | 87 | 57.6p |
| Ben Stocks+ | 11 June 2010 | 1,001 | 57.6p |
| Ben Stocks | 11 June 2010 | 638 | 57.6p |
+Shares will be held in the name of Ben Stocks's spouse
Following these purchases, Andrew Walker is interested in 29,212 Porvair Shares, representing approximately 0.07 per cent. of the Company's issued share capital, and Ben Stocks is interested in 101,922 Porvair Shares, representing approximately 0.24 per cent. of the Company's issued share capital.
Contact:
| Porvair plc Chris Tyler, Group Finance Director | 01553 765 500  |
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| Altium Paul Chamberlain | 020 7484 4040 |
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Porvair (PRV)